HP LaserJet 4300 Printer series - Manual (Page 190)

188 Appendix D Specifications ENWW
Note Do not use letterhead paper that is printed with low-temperature inks, such as those used in some
types of thermography.
Do not use raised letterhead.
The printer uses heat and pressure to fuse toner to the paper. Make sure that any colored paper
or preprinted forms use inks that are compatible with the printer’s temperature of 230° C (446° F)
for 0.05 second.
Avoid using paper that has been damaged due to having already been used in a printer or copier.
(Do not print on both sides of envelopes, transparencies, or labels.)